import React, { createContext , useReducer } from 'react';

export const ColorContext = createContext({});

export const UPDATE_COLOR = 'UPDATE_COLOR'

const reducer = (state,action)=>{
    switch(action.type){
        case UPDATE_COLOR:
            return action.color
        default:
            return state
    }
}

export const Color = props =>{
    const [ color, dispatch ] = useReducer(reducer,'blue')
    return (
        <ColorContext.Provider value={{color,dispatch}}>
            {props.children}
        </ColorContext.Provider>
    )
}